To promote the purchase of the safest injection devices by countries and procurement agencies, WHO will continue to provide up-to-date data and guidance to those creating policy and advocacy tools.

为促进各国与采购机构购买最安全的注射装置，世卫组织将继续向创建政策和宣传工具的人提供最新数据和指导。

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Policy Injection Application Block can still be used if AOP functionality is needed.

如果需要AOP功能，依旧可以使用策略注入应用程序块。

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But the researches based on the mechanism of advanced water injection improving the effect of exploration and the development technique policy of advanced water injection are few.

但对超前注水改善开发效果机理以及超前注水开发技术政策的研究较少。

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The policy guidance issued by HHS and State requires that SSPs be implemented as part of a comprehensive program for injection drug users that includes linkage and referral to substance abuse prevention and treatment services, mental health services, and other support services.

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